US Bridges

SR1221 over Sweetwater Creek

Fair

Graham County, North Carolina · 100 FT.N.JCT.NC143 · Structure no. 000000000750136

Built
1976
49 years old
Condition
Fair
inspected July 2023
Type
Culvert
Steel
Length
34 ft
3 main spans
Daily traffic
320
2016 count
Owner
State
State Highway Agency

About this bridge

SR1221 over Sweetwater Creek is a steel culvert carrying SR1221 over Sweetwater Creek in Graham County, North Carolina. It was built in 1976, so it is 49 years old, older than the North Carolina average of 38.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 320 vehicles a day, roughly 6% of them trucks, projected to reach 640 by 2040. The structure is 34 ft (10.3 m) long. If it were closed, the detour would be 98.8 mi (159 km).

CarriesSR1221
CrossesSweetwater Creek
Location100 FT.N.JCT.NC143
RouteState Highway 1221
Coordinates35.34036, -83.75128
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating99 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length34 ft (10.3 m)
Longest span7 ft (2.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic320 (2016)
Projected traffic640 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR1221 over Sweetwater Creek built?

It was built in 1976, making it 49 years old in 2025.

What condition is SR1221 over Sweetwater Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2023.

How much traffic does SR1221 over Sweetwater Creek carry?

About 320 vehicles per day (2016 count), of which roughly 6% are trucks.

How long is SR1221 over Sweetwater Creek?

The structure is 34 ft (10.3 m) long with a longest span of 7 ft (2.1 m).

Who owns SR1221 over Sweetwater Creek?

It is owned by the State Highway Agency.